3/8 in Stainless Steel Fuel Line Tubing Coil 16 ft - Durable

Our review of this 16 ft coil of 3/8 in stainless steel fuel tubing finds it best suited for DIY mechanics and restorers who need a long, corrosion-resistant section of line for replacement or routing projects. The single biggest reason to buy is the material: Grade 304 stainless offers reliable corrosion resistance and a clean appearance for visible runs. That said, this is a straightforward coil of tubing rather than a ready-made hose assembly, so buyers should be prepared to shape and terminate the tube themselves or with proper tools.

Key Features

• Length and size: The 16 ft coil provides ample material for multiple runs or a single long replacement without seams.
• Material: Grade 304 stainless steel construction gives strong corrosion resistance for fuel system service life.
• Outer diameter: The 3/8 in O.D. matches many stock fuel line applications for a direct replacement opportunity.
• Made in USA: Domestic manufacturing offers traceability and consistent production quality.
• Appearance: The stainless finish presents clean, professional-looking runs when used in visible areas.

Who It's For

This coil is aimed at automotive hobbyists, restorers, and professional technicians who need a bulk length of metal fuel line for routing or replacing stock lines. It is most useful when a corrosion-resistant, permanent metal line is preferred over flexible hose, especially in older vehicles or custom fuel system layouts.

It is not ideal for someone who lacks basic tube-bending and flaring tools or experience, since customers note the tubing is relatively stiff and can be difficult to bend or flare without the right equipment. If you need a pre-bent or pre-terminated hose assembly, look elsewhere.

Pros & Cons

Pros

• Durable Grade 304 stainless resists corrosion and looks good in visible runs.
• Generous 16 ft length covers multiple repairs or extensive routing without joints.
• 3/8 in O.D. fits many common fuel line applications for direct replacement.
• Made in USA manufacture provides consistent production quality.

Cons

• Relatively stiff tubing that requires proper bending tools and effort to shape.
• Some users report difficulty flaring or stability issues when attempting flares without specialty tools.

Specifications

Product	Fuel line tubing coil
Length	16 ft
Outer diameter	3/8 in
Material	Stainless Steel, Grade 304
Made	USA
Intended use	Fuel line replacement and routing

Our Verdict

For those comfortable with metal tube work, this 16 ft coil of 3/8 in Grade 304 stainless steel is a practical, corrosion-resistant option for fuel line replacement and custom routing. It represents good value if you need a long, clean-looking run, but plan to use proper bending and flaring tools to avoid stability or flare issues.

Frequently Asked Questions

Is this tubing ready to install out of the box?
It is a plain coil of tubing; you will need to cut, bend, and terminate it with appropriate fittings and tools before installation.

Will this rust with gasoline exposure?
Grade 304 stainless offers strong resistance to corrosion in fuel system environments, so it performs well against rusting compared with mild steel.

Can I flare this tubing with hand tools?
Some users report difficulty flaring without specialty tools; a proper tube flaring tool designed for stainless tubing is recommended.